Type Alias GetPropertyFDF 

pub type GetPropertyFDF = Option<unsafe extern "C-unwind" fn(NonNull<c_void>, AudioFilePropertyID, NonNull<u32>, NonNull<c_void>) -> i32>;

Available on crate feature AudioFile only.

Apple’s documentation

Aliased Type

pub enum GetPropertyFDF {
    None,
    Some(unsafe extern "C-unwind" fn(NonNull<c_void>, u32, NonNull<u32>, NonNull<c_void>) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(NonNull<c_void>, u32, NonNull<u32>, NonNull<c_void>) -> i32)

Some value of type T.